Home / 47,152.78-70,731.40-15,565.60

Finding the Fourth Proportional to 47,152.78, 70,731.40 and 15,565.60

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Solution

The fourth proportional to 47,152.78, 70,731.40 and 15,565.60 is: 23,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,152.78 : 70,731.40 = 15,565.60 : x
  2. Step 2: Convert to fraction form
    47,152.78/70,731.40 = 15,565.60/x
  3. Step 3: Cross multiply
    47,152.78x = 70,731.40 × 15,565.60
  4. Step 4: Simplify right side
    47,152.78x = 1,100,976,679.84
  5. Step 5: Solve for x
    x = 1,100,976,679.84/47,152.78
  6. Step 6: Final answer
    x = 23,349.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.